22 September 1983 "A Thermally Stabilized, Two Frequency Laser Measurement System For Industrial Use"
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Abstract
Hewlett-Packard Company introduced a new laser system based upon a new HeNe laser tube in September 1982. The 5528A Laser Measurement System is finding wide spread use in industry for improving productivity in the numerically controlled machine shop, and is now being designed into machines as a basic positioning transducer. The new laser tube design is simpler and less expensive than that previously built by HP using 2-frequency techniques.
© (1983) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John H. Klinger, Robert Quenelle, ""A Thermally Stabilized, Two Frequency Laser Measurement System For Industrial Use"", Proc. SPIE 0416, Applications of Optical Metrology: Techniques and Measurements II, (22 September 1983); doi: 10.1117/12.935918; https://doi.org/10.1117/12.935918
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